| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="viewport" content="width=device-width"> | |
| <style> | |
| body { | |
| margin: 0; | |
| -webkit-overflow-scrolling: touch; | |
| } | |
| .scroller { | |
| width: 300px; | |
| height: 320px; | |
| overflow: scroll; | |
| padding: 10px; | |
| } | |
| .column { | |
| position: relative; | |
| width: 280px; | |
| height: 1200px; | |
| background: silver; | |
| border: 2px solid blue; | |
| z-index: 0; | |
| } | |
| </style> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| if (window.internals) | |
| window.internals.settings.setAcceleratedCompositingForOverflowScrollEnabled(true); | |
| window.addEventListener('load', function() { | |
| if (window.testRunner) | |
| document.getElementById('layers').innerHTML = window.internals.layerTreeAsText(document); | |
| }, true); | |
| </script> | |
| </head> | |
| <body> | |
| <div class="scroller"> | |
| <div class="column"> | |
| </div> | |
| </div> | |
| <pre id="layers">Layer tree goes here in DRT</pre> | |
| </body> | |
| </html> |